const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')


module.exports ={
  entry:"./src/index.js",
  output:{
    path:__dirname,
    filename:"./release/bundle.js"
  },
  module:{
    rules:[{
      test:/\.js?$/,
      exclude:/(node_modules)/,  //不包括
      loader:"babel-loader"
    }]
  },
  plugins:[
    new HtmlWebpackPlugin({
      template:'./index.html'
    })
  ],
  devServer: {
    contentBase:path.join(__dirname,'./release'),
    open: true,  //浏览器自动打开
    port: 9000
  }
}